"Chew WGA" is a well-known Windows loader — a crack designed to bypass Microsoft's activation checks. Using such tools:
Need to check if there are any other aspects. For example, some users might not know how to activate Windows 7 legally after purchase. Maybe include steps for that. Also, mention free upgrades if applicable, but note that free upgrades to Windows 10 expired in 2020. So it's time-sensitive now.
If Windows 7 is too old to justify the cost, consider switching to a Linux distribution like: